<!DOCTYPE html>
<html class="h-100">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <title>许愿墙</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous">
    <script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/masonry-layout@4.2.2/dist/masonry.pkgd.min.js" crossorigin="anonymous" async></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/js/bootstrap.bundle.min.js" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.5.4/dist/umd/popper.min.js" crossorigin="anonymous"></script>
    <script src="/scripts/snippet-javascript-console.min.js" crossorigin="anonymous"></script>
    <style>
        body {
            display: flex;
            align-items: center;
            padding-top: 40px;
            padding-bottom: 40px;
            background-color: #f5f5f5;
        }

        .form-signin {
            width: 100%;
            max-width: 330px;
            padding: 15px;
            margin: auto;
        }

        .form-signin .checkbox {
            font-weight: 400;
        }

        .form-signin .form-control {
            position: relative;
            box-sizing: border-box;
            height: auto;
            padding: 10px;
            font-size: 16px;
        }

        .form-signin .form-control:focus {
            z-index: 2;
        }

        .form-signin input[type="email"] {
            margin-bottom: -1px;
            border-bottom-right-radius: 0;
            border-bottom-left-radius: 0;
        }

        .form-signin input[type="password"] {
            margin-bottom: 10px;
            border-top-left-radius: 0;
            border-top-right-radius: 0;
        }
    </style>
</head>
<body class="text-center h-100">

<main class="form-signin">
    <form>
        <img class="mb-4" src="https://getbootstrap.com/docs/5.0/assets/brand/bootstrap-logo.svg" alt="" width="72" height="57">
        <h1 class="h3 mb-3 fw-normal">Please sign in</h1>
        <label for="inputEmail" class="visually-hidden">Email address</label>
        <input type="email" id="inputEmail" class="form-control" placeholder="Email address" required autofocus>
        <label for="inputPassword" class="visually-hidden">Password</label>
        <input type="password" id="inputPassword" class="form-control" placeholder="Password" required>
        <div class="checkbox mb-3">
            <label>
                <input type="checkbox" value="remember-me"> Remember me
            </label>
        </div>
        <button class="w-100 btn btn-lg btn-primary" type="submit">Sign in</button>
        <p class="mt-5 mb-3 text-muted">&copy; 2009-2021</p>
    </form>
</main>
</body>
</html>